3b3e95a413
* feat(metrics): grand update * feat(metrics): fixed missing part in ee tracer * feat(assets): added missing arg * feat(metrics): fixed naming problems
110 lines
2.9 KiB
Go
110 lines
2.9 KiB
Go
package sessions
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import (
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"encoding/json"
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"errors"
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"fmt"
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"time"
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"openreplay/backend/pkg/db/redis"
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"openreplay/backend/pkg/metrics/database"
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)
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var ErrDisabledCache = errors.New("cache is disabled")
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type cacheImpl struct {
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db *redis.Client
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metrics database.Database
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}
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func NewCache(db *redis.Client, metrics database.Database) Cache {
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return &cacheImpl{db: db, metrics: metrics}
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}
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func (c *cacheImpl) SetCache(sessID uint64, data map[string]string) error {
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if c.db == nil {
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return ErrDisabledCache
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}
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if data == nil {
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return errors.New("session is nil")
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}
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if sessID == 0 {
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return errors.New("session id is 0")
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}
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start := time.Now()
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sessionBytes, err := json.Marshal(data)
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if err != nil {
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return err
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}
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if _, err = c.db.Redis.Set(fmt.Sprintf("session:cache:id:%d", sessID), sessionBytes, time.Minute*120).Result(); err != nil {
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return err
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}
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c.metrics.RecordRedisRequestDuration(float64(time.Now().Sub(start).Milliseconds()), "setCache", "session")
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c.metrics.IncreaseRedisRequests("setCache", "sessions")
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return nil
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}
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func (c *cacheImpl) GetCache(sessID uint64) (map[string]string, error) {
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if c.db == nil {
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return nil, ErrDisabledCache
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}
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if sessID == 0 {
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return nil, errors.New("session id is 0")
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}
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start := time.Now()
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result, err := c.db.Redis.Get(fmt.Sprintf("session:cache:id:%d", sessID)).Result()
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if err != nil {
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return nil, err
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}
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session := map[string]string{}
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if err = json.Unmarshal([]byte(result), &session); err != nil {
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return nil, err
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}
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c.metrics.RecordRedisRequestDuration(float64(time.Now().Sub(start).Milliseconds()), "getCache", "session")
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c.metrics.IncreaseRedisRequests("getCache", "sessions")
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return session, nil
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}
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func (c *cacheImpl) Set(session *Session) error {
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if c.db == nil {
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return ErrDisabledCache
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}
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if session == nil {
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return errors.New("session is nil")
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}
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if session.SessionID == 0 {
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return errors.New("session id is 0")
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}
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start := time.Now()
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sessionBytes, err := json.Marshal(session)
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if err != nil {
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return err
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}
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if _, err = c.db.Redis.Set(fmt.Sprintf("session:id:%d", session.SessionID), sessionBytes, time.Minute*60).Result(); err != nil {
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return err
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}
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c.metrics.RecordRedisRequestDuration(float64(time.Now().Sub(start).Milliseconds()), "set", "session")
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c.metrics.IncreaseRedisRequests("set", "sessions")
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return nil
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}
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func (c *cacheImpl) Get(sessionID uint64) (*Session, error) {
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if c.db == nil {
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return nil, ErrDisabledCache
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}
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if sessionID == 0 {
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return nil, errors.New("session id is 0")
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}
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start := time.Now()
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result, err := c.db.Redis.Get(fmt.Sprintf("session:id:%d", sessionID)).Result()
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if err != nil {
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return nil, err
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}
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session := &Session{}
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if err = json.Unmarshal([]byte(result), session); err != nil {
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return nil, err
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}
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c.metrics.RecordRedisRequestDuration(float64(time.Now().Sub(start).Milliseconds()), "get", "session")
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c.metrics.IncreaseRedisRequests("get", "sessions")
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return session, nil
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}
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